silencer
noun /ˈsaɪlənsə(r)/
/ˈsaɪlənsər/
- (British English)
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(North American English muffler)a device that is fixed to the exhaust of a vehicle in order to reduce the amount of noise that the engine makesTopics Transport by car or lorryc2 - a device that is fixed to the end of a gun in order to reduce the amount of noise that it makes when it is fired